The only 5-digit numbers that do the job are 21,143 and 28,847 .
So, either
a = 1 and
b = 3
or
a = 8 and
b = 7 .
The sum of the values that 'a' can have is (1 + 7) = <em>8</em> .
I shall cherish every one of your generous 5 points.
Answer:
Step-by-step explanation: got you
slope 2/3
x | y
0 -1
2/3 0
30 miles
Since its 1/4 hour that pass you multiply 7.5 with 4
If its not the 1st one, try the last one.